Japanese product philosophy holds that product quality results from process quality—that controlling how products are made is how quality is achieved. This is foundational conviction, not merely technical insight. Rather than inspecting finished products and rejecting defects, the emphasis is on process control that prevents defects. Process parameters are monitored, methods standardized and improved, process capability developed.
The product is outcome of process; therefore process deserves primary attention. Evidence of process quality appears in products—careful making shows. This validates investment in process development: time devoted to improving methods is investment in product quality. When working with Japanese makers, expect serious attention to process; this is where they believe quality originates.
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